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Finding the Fourth Proportional to 273,040.34, 376,764.51 and 158,295.05

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Solution

The fourth proportional to 273,040.34, 376,764.51 and 158,295.05 is: 218,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,040.34 : 376,764.51 = 158,295.05 : x
  2. Step 2: Convert to fraction form
    273,040.34/376,764.51 = 158,295.05/x
  3. Step 3: Cross multiply
    273,040.34x = 376,764.51 × 158,295.05
  4. Step 4: Simplify right side
    273,040.34x = 59,639,955,064.85
  5. Step 5: Solve for x
    x = 59,639,955,064.85/273,040.34
  6. Step 6: Final answer
    x = 218,429.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.